Electric signaling.



PATENTED MAY 26, 1908.

W. E. HALLETT & F. KAMERER.

ELECTRIC SIGNALING.

APPLICATION FILED MAY 29, 1907 2 SHEETS-SHEET 1.

INVENTO/ZS.

ATTORNEYS nu: NORRIS PETERS co., wasnmamu. a c- PATENTED MAY 26, 1908.W. E. HALLETT & F. KAMERER.

ELECTRIC SIGNALING.

APPLICATION FILED MAY 29,

UNITED STATES PATENT OFFICE.

WILLIAM .E. HALLETT AND FRANK KAMERER, OF NEW YORK, N. Y.

ELECTRIC SIGNALING.

To all whom it may concern:

Be it known that we, WILLIAM E. HAL- LETT and FRANK KAMERER, citizens ofthe United States, and residents of New York, counties of Kings andQueens, respectively, State of New York, have invented certain new anduseful Improvements in Electric Signaling, of which the following is afull, clear, and exact description.

This invention relates more particularly to burglar alarms.

The primary object of the invention is to provide sim le and efficientmeans whereby an electric ell or other alarm arranged at any suitablepoint may be made to ring as soon as a window or other object is moved,and which when once set to close the circuit through the electric bellthe latter will con tinue to ring until the circuit is again opened bymanually releasing the locking means.

A further object of the invention is to provide a device adapted for usein various connections; which when once set is ositively locked and heldso as to cause t e bell to continue to ring and at the same timepositively holds the window or other object from further movement, andwhich is so arranged that it is not readily accessible to permit beingtampered with from without the object in connection with which it isused to stop the ringing of the bell or other alarm.

With these and other objects in view, the invention will be hereinaftermore particularly described with reference to the accompanying drawings,which form a part of this s ecification, and will then be pointed out inthe claims at the end of the description.

In the drawings, Figure 1 is an elevation, partly in section and partlydiagrammatic, of one form of device embodying our invention. Fig. 2 is avertical section on a larger scale,

artly in elevation, taken on the line 22 of Fig. 3. Fig. 3 is a verticalsection through the locking device and circuit closer taken on the line3-3 of Fig. 2. Fig. 4 is a sectional plan, partly in elevation taken onthe line 44 of Fig. 2; and Fig. 5 is a sectional plan showing theinvention as applied to a swing ing member as a door window, transom andthe like. 154 (2,.

The window frame 0 may have the sliding sash 11 and may be constructedand operated in the usual manner. As shown the window is verticallymovable, and adjacent to its inner edge is a device 12. This device 12has a hollow shank 13 and on the end of Specification of Letters Patent.

Application filed May 29, 1907. Serial No. 376,355-

Patented May 26, 1908.

the shank 13 is a button or looking part 14, which is adapted to enter arecess or opening 15 in the window sashwhen the window is raised asufficient distance to cause the recess or opening to register with thepart 14. This recess may have a metal bracket 16 fitting therein so asto take the strain 0H the wood of the window sash, and said recess ispreferably located, so that the device 12 will enter the same when thewindow has been raised a short distance but not suflicient for any oneto enter through the window. The normal position of the device 12 isthat shown in Fig. 4 in which position the device 12 is normally held bythe window sash, the end 14 being rounded and of such a shape that themovement of the window will not be interfered with when raised orlowered, unless otherwise prevented as will be presently described. Arod 17 has one end entering an opening in the device 12 to serve as aguide for the latter at one end thereof,

and the other end of said rod is secured to a bracket 18, the ends ofwhich are fastened to the window frame, and around the rod 17 is aspring 19 which normally forces the device 12 inward to cause the end 14to enter the recess 15 when the latter is brought to register therewith.

For the purpose of holding the device 12 against outward movement afterthe end 14 is in looking engagement with the window sash, we provide alatch retaining device or bolt 20. This device 20 is slidingly held in abracket 21 secured to the window frame, and the inner end of saidretaining device 20 is beveled, as at 22, and normally engages the endof a collar or flange 23 on the outer end of the device 12 when the saiddevice is in an unlocked position as shown in Fig. 4. The retainingdevice 20 is cut away or recessed, as at 24, to span the rod 17 andspring 19 when forced inward, and has a rod 25 on which is a collar 26.A spring 27 is arranged around the rod 25 and is located between thewindow frame and the collar 26, so that immediately the window is raisedandthe recessed part 15 registers with the end 14 of the device 12, thespring 19 will force said device 12 inward to enter the recess 15, andin this position the spring 27 will act upon the retaining device orbolt 20, so as to force the same inward past the collar 23 of the device12, and will positively hold the same inward until the device 20 isagain released. By this means the window will be positively held againstmovement and cannot be raised or lowered, as the retaining device 20will prevent outward movement of the device 12 by engaging the outerface of the flange 23 as shown in Figs. 2 and 3, and until the device 20is withdrawn to release the device 12, at which time the device 20 maybe made to engage the flange 23, which will hold the same outwardagainst the tension of the spring 27. To secure this releasing movementof the retaining device 20, the rod 25is provided with a handle or knob28 on the outer end of said rod, and said handle is usually arrangedconvenient to the Window within the room. A plate 29 having a recess 29is secured to the window frame, and the end of the rod 25 isscrew-threaded, so that the knob or handle 28 may be removed therefromat night or at ony other time, thereby making it impossible to tamerwith the retaining device 20 to release it from the locking device 12from without the room. By screwing the handle 28 on the rod 25, theretaining device 20 may be forced and held in the position shown in Fig.4.

To sound an alarm, we make the flange 23 of the device 12 form a part ofan electric circuit, and against the window frame and within the path ofmovement of said collar or flange 23 are the contacts 30 and 31. Thesecontacts are included in an electric circuit 32, and this circuitincludes an electric bell or other alarm 33, a battery 34 and a switch35, the latter being intended to break the circuit during the day time,or at such other time as is not desired to ring the alarm, the saidswitch being located at any convenient point. As will be seen when thewindow is slightly raised as shown in Figs. 1, 2 and 3, so that the endof the device 12 will enter the recess 15 in the window sash, thecircuit will be completed by the collar 23 engaging the contacts 30 and31, and will complete the circuit through the electric bell 33, battery34, and switch 35, the said circuit being open when the device 12 is inthe position shown in Fig. 4, or when the switch 35 is thrown to theposition indicated by dotted lines 36, Fig. 1 to open the circuit.

In Fig. 5 the part or member 37, instead of sliding as in the otherfigures is pivoted at 38 to the frame 39, so that as soon as the saidpart 37, whether a door, transom or window is swung on its pivot orhinge, the device 12 will close the electric circuit and ring the alarmin substantially the same manner as already described.

From the foregoing it will be seen that simple and efficient means areprovided whereby a window or other object when tampered with will causean electric bell or other alarm to be sounded; that a simple alarm isprovided which may be readily applied to various forms of windows andthe Having thus described our invention, we

claim as new and desire to secure by Letters Patent 1. The combinationwith a movable device of contacts arranged in the path of said device, acollar or flange carried by said device. and adapted to engage bothcontacts to complete the circuit therethrough, a bracket, a rodprojecting from the bracket and having one end entering an opening inthe device, a spring arranged around the rod and normally forcing thedevice inward, an electric circuit including a bell, a battery and aswitch connected with the contacts and adapted to have the circuitcompleted therethrough when the device is forced inward, and a slidingspring-pressed retaining device adapted to hold the first-mentioneddevice against movement when the circuit is completed.

2. The combination with a movable device adapted to engage a movingobject, contacts arranged in the path of said device, means carried bysaid device and adapted to engage both contacts to complete the circuittherethrough, a rod having one end entering an opening in the device, aspring arranged around the rod and normally forcing the device inward,an electric circuit including an alarm and a battery connected with thecontacts and adapted to have the circuit completed therethrough when thedevice is forced against the contacts, and an automatically actuatedretaining device adapted to hold the first-mentioned device againstmovement when the circuit is completed.

3. The combination with a movable device adapted to engage a movableobject, contacts arranged in the path of said device, means carried bysaid device and adapted to engage both contacts to complete the circuittherethrough, a bracket, a rod projecting from the bracket and havingone end entering an opening in the device, a spring arranged aroundtherod and normally forcing the device inward, an electric circuitconnected with the contacts and ada ted to have the circuit completedtheret rough when the device is forced inward, an alarm included in saidcircuit, and means adapted to hold the device against movement when thecircuit is completed.

4. The combination with a window sash having a recess therein, of adevice movable toward the sash and comprising a hollow shank, a buttonarranged on one end of the shank, a flange carried by the other end ofsaid shank, a fixed rod having one end entering the hollow shank of thedevice, a bracket to which the rod is secured, a spring interposedbetween the bracket and the contact carried by the hollow shank andnormally forcing the engaging button inward, fixed contacts arranged inthe path of the flange, an alarm, electric connections between the alarmand the contacts, a retaining latch independent of the locking deviceand having an enlarged end normally engaging one side of the flange whenthe locking device is in a released position, said flange adapted tocomplete the circuit through the contacts, a rod forming a part of theretaining device, a bracket supporting the rod, a spring normallyforcing the rod in one direction to force the latch inward to hold theflange of the locking device against movement and to hold the same tocause the circuit to be completed, said rod of the latch having itsouter end screw-threaded, a bracket having a recess in which thescrew-threaded end of the rod is adapted to fit, and a knob removablyheld to the end of the rod.

5. The combination with a movable object having a recess therein, of adevice movable toward the object and comprising a hollow shank havingone end adapted to engage said object, a flange carried by the other endof said shank, a fixed rod having one end entering the hollow shank ofthe device, a bracket to which the rod is secured, a spring interposedbetween the bracket and the contact carried by the hollow shank andnormally forcing the engaging end inward, fixed contacts arranged in thepath of the flange, an alarm, electric connections between the alarm andthe contacts, a retaining latch independent of the locking device havingan enlarged end. normally engaging one side of the flange when thelocking device is in a released position, a rod forming a part of theretaining device, a bracket supporting the rod, and a spring normallyforcing the rod in one direction to force the latch inward to hold theflange of the locking device against movement and to cause the circuitto be com pleted.

6. The combination with a movable object, of a device movable toward theobject to hold the same stationary and comprising a hollow shank havingone end adapted to engage said object, a fixed rod having one endentering the hollow shank of the device, a bracket to which the rod issecured, a spring interposed between the bracket and the hollow shankand normally forcing the engaging end inward, contacts arranged in thepath of the shank, means carried by the shank adapted to engage thecontacts to complete the circuit therethrough, an alarm,

electric connections between the alarm and the contacts, a retaininglatch independent of the locking device having an end normally engagingone side of the shank when the locking device is in a released position,and a spring normally forcing the rod in one direction to force thelatch inward to hold the shank of the locking device against movementand to cause the circuit to be completed.

7. The combination with a movable object, of a device movable toward theobject and comprising a hollow shank having one end adapted to engagesaid object, a rod having one end entering the hollow shank of thedevice, a bracket to which the rod is held, a spring interposed betweenthe bracket and the hollow shank and normally forcing the engaging endinward, contacts arranged in the path of the shank, an alarm, electricconnections between the alarm and the contacts, means carried by theshank to complete the circuit through the contacts, a retaining latchindependent of the locking device normally engaging the shank when thelocking device is in a released position, a rodforming a part of theretaining latch, said rod of the latch having its outer endscrew-threaded, and a knob removably held to the threaded end of therod.

This specification signed and witnessed this 27th day of May A. D. 1907.

WVILLIAM E. HALLETT. FRANK KAMERER.

Witnesses:

M. TURNER, L. H. LUNDIN.

